<head>
  <meta charset="utf-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta
    name="viewport"
    content="width=device-width, initial-scale=1, shrink-to-fit=no"
  />

  <!-- Title -->
  <title>{{ if not .IsHome }}{{ .Title }} - {{ end }}{{ site.Title }}</title>

  <!-- Meta -->
  <meta name="theme-color" />

  <!-- Author -->
  {{ $site_author := or site.Author.name site.Params.name site.Title }}
  <!---->
  {{ if eq .Kind "page" }}
  <meta name="description" content="{{ .Summary }}" />
  <meta name="author" content="{{ or .Params.author $site_author }}" />
  {{ else }}
  <!---->
  <meta
    name="description"
    content="{{ site.Params.description | default (print `A personal blog`) }}"
  />
  <meta name="author" content="{{ $site_author }}" />
  {{ end }}

  <!-- CSS & JS -->
  {{ $main := resources.Get "main.css" }}
  <!---->
  {{ $custom := resources.Get "custom.css" }}
  <!---->
  {{ $css := slice $main $custom | resources.Concat "main.css" | minify }}
  <link rel="preload stylesheet" as="style" href="{{ $css.Permalink }}" />

  <!-- Dark Icon -->
  {{ $dark_icon := "theme.png" }}
  <!---->
  {{ if site.Params.monoDarkIcon }}{{ $dark_icon = "theme.svg" }}{{ end }}
  <!---->
  <link rel="preload" as="image" href="{{ $dark_icon | absURL }}" />

  <!-- Avatar -->
  {{ $avatar_url := $.Scratch.Get "avatar_url" }}
  <!---->
  {{ if $avatar_url }}
  <link rel="preload" as="image" href="{{ $avatar_url }}" />
  {{ end }}
  <!---->

  <!-- Social List -->
  {{ range $.Scratch.Get "social_list" }}
  <link rel="preload" as="image" href="{{ printf `%s.svg` . | absURL }}" />
  {{ end }}
  <!---->

  <!-- Highlight JS -->
  {{ if and .IsPage (not site.Params.disableHLJS) }}
  <script
    defer
    src="{{ `highlight.min.js` | absURL }}"
    onload="hljs.initHighlightingOnLoad();"
  ></script>
  {{ end }}

  <!-- Math -->
  {{ if or .Params.math site.Params.math }}
  <!---->
  {{ partial "math.html" . }}
  <!---->
  {{ end }}
  <!---->

  <!-- Favicon -->
  <link rel="icon" href="{{ `favicon.ico` | absURL }}" />
  <link rel="apple-touch-icon" href="{{ `apple-touch-icon.png` | absURL }}" />

  <!-- Generator -->
  {{ hugo.Generator }}

  <!-- Production -->
  {{ if or hugo.IsProduction (eq site.Params.env "production") }}
  <!---->
  {{ template "_internal/google_analytics.html" . }}
  <!---->
  {{ template "_internal/schema.html" . }}
  <!---->
  {{ template "_internal/opengraph.html" . }}
  <!---->
  {{ template "_internal/twitter_cards.html" . }}
  <!-- RSS -->
  {{ range .AlternativeOutputFormats }}
  <link
    rel="{{ .Rel }}"
    type="{{ .MediaType.Type }}"
    href="{{ .Permalink }}"
    title="{{ site.Title }}"
  />
  {{ end }}
  <!-- Canonical -->
  <link rel="canonical" href="{{ .Permalink }}" />
  {{ end }}
  <!---->
</head>
